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Quick actions
Case ConverterConvert text into title, camel, snake, kebab, Pascal, upper, and lower case outputs.
Regex TesterValidate ECMAScript regular expressions, inspect matches, captures, and replacement output.
Text DiffCompare text locally with line and word views plus copyable diff output.
Markdown PreviewPreview Markdown locally with GitHub-flavored tables, task lists, and highlighted code blocks.
JSON FormatterFormat, minify, validate, and sort JSON without sending the payload anywhere.
CSV / TSV InspectorInspect delimited text, preview rows, and convert CSV or TSV into JSON and Markdown.
EncoderEncode and decode URL components or Unicode-safe Base64 strings.
URL InspectorParse URLs, inspect query parameters, and rebuild copy-ready links locally.
QR Code GeneratorGenerate copyable and downloadable SVG or PNG QR codes from text and URLs.
JWT InspectorDecode JWT headers and payloads locally, with registered claim summaries.
Hash GeneratorGenerate SHA, SHA3, BLAKE3, and legacy MD5 or SHA-1 digests from text or files.
SubnetsCalculate IPv4 CIDR ranges and reference subnet masks, wildcard masks, and address counts.
Device InspectorInspect viewport, screen, browser, locale, PWA mode, and device capability details locally.
Image ResizerResize and compress JPEG or PNG images locally with no uploads.
ICO GeneratorGenerate multi-size ICO favicon files from JPG or PNG images locally.
ColorsGenerate default, complementary, monochromatic, and harmony palettes from a CSS color.
Color Contrast CheckerCheck WCAG contrast ratios for foreground and background colors with optional camera sampling.
CSS Clamp / Unit ConverterGenerate fluid clamp expressions and convert CSS units with local context.
Timestamp ConverterConvert Unix seconds, Unix milliseconds, ISO strings, and local dates.
Cron Expression HelperValidate cron expressions, explain schedules, and preview upcoming run times locally.
Watch Clock CheckSet and track mechanical watches with local profiles, offset logs, and automatic server-time calibration you can disable.
TimerRun browser-local countdown timers with quick presets and a clear completion state.
Pomodoro TimerRun focus sessions with automatic break reminders, local presets, and opt-in browser notifications.
StopwatchTrack elapsed time, pause and resume, and capture copy-ready lap times.
Date CalculatorCompare dates or add and subtract days, weeks, months, and years.
Holiday LookupCheck Canadian holidays and Government of Canada observed dates.
Unit ConverterConvert everyday mobile units for temperature, length, mass, volume, area, speed, and data size.
Freetext CalculatorOnlineUse a free-text calculator for quick arithmetic notes.